Determination of the origin of nondisjunction in a 49,XXXXY male using hypervariable dinucleotide repeat sequences

Hui-ming Huang, F. Greenberg, D. H. Ledbetter

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We present a patient with a 49,XXXXY chromosome constitution in whom the origin of the extra X chromosomes was determined by analysis of five polymorphic CA (or GT) dinucleotide repeat sequences. This class of DNA marker has recently been demonstrated to be hypervariable with heterozygosity values up to 80%. By polymerase chain reaction (PCR) analysis of the dinucleotide repeat length polymorphisms, we have shown that all four X chromosomes were of maternal origin.

Original languageEnglish (US)
Pages (from-to)619-620
Number of pages2
JournalHuman Genetics
Volume86
Issue number6
StatePublished - 1991
Externally publishedYes

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Dinucleotide Repeats
X Chromosome
Constitution and Bylaws
Genetic Markers
Chromosomes
Mothers
Polymerase Chain Reaction

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Determination of the origin of nondisjunction in a 49,XXXXY male using hypervariable dinucleotide repeat sequences. / Huang, Hui-ming; Greenberg, F.; Ledbetter, D. H.

In: Human Genetics, Vol. 86, No. 6, 1991, p. 619-620.

Research output: Contribution to journalArticle

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